CN102046948B - Method and device for operating internal combustion engine and internal combustion engine - Google Patents
Method and device for operating internal combustion engine and internal combustion engine Download PDFInfo
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- CN102046948B CN102046948B CN2009801193263A CN200980119326A CN102046948B CN 102046948 B CN102046948 B CN 102046948B CN 2009801193263 A CN2009801193263 A CN 2009801193263A CN 200980119326 A CN200980119326 A CN 200980119326A CN 102046948 B CN102046948 B CN 102046948B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
- F02D2200/704—Estimation of atmospheric pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Internal combustion engine comprising a suction tract (1) comprising a suction pipe (7) and communicating with a combustion chamber (9) of a cylinder (Z1-Z4) of the internal combustion engine in dependence on a switching position of a gas inlet valve (12). The internal combustion engine further comprises a compressor (19) that is disposed in the suction tract (1) and is adapted to compress an air flow stream. The internal combustion engine is also provided with a throttle valve (5) disposed in the suction tract (1) downstream of the compressor (19), said valve able to throttle the compressed air flow stream of the compressor to the suction pipe (7). The internal combustion engine further comprises a differential pressure sensor (29) disposed in the suction tract (1) and adapted to detect a differential pressure (PUT_AMP_DIFmes) between a loading pressure (PUT) present downstream of the compressor (19) and upstream of the throttle valve (5), and an ambient pressure (AMP) present outside the suction tract (1).
Description
The present invention relates to a kind of method and apparatus for operation of combustion engine and a kind of internal-combustion engine.Internal-combustion engine comprises the gas handling system with suction tude.Gas handling system is communicated with the firing chamber of the cylinder of internal-combustion engine according to the dislocation of suction valve.Be furnished with compressor in gas handling system, it is designed to compressed air quality stream.Be furnished with throttle valve in this external gas handling system, can be to entering the air mass flow throttling of suction tude by it.
The turbosupercharger of internal-combustion engine generally includes a compressor and a turbo machine, mutually is coupled to their preferred mechanical.Compressor is arranged in the gas handling system of internal-combustion engine and the air mass flow of compression by gas handling system in the case.Compressed air enters the firing chamber of cylinder of the correspondence of internal-combustion engine through suction valve thus.An injection valve preferably is set on the cylinder head of each cylinder, the fuel of setting quantity can be supplied in the firing chamber by it.After the burning of air/fuel mixture in the firing chamber of correspondence, waste gas outputs to from the firing chamber the waste gas system of a turbo machine of wherein having arranged turbosupercharger through outlet valve.By the exhaust gas-driven turbine machine, so that compressed by compressor by the air mass flow of gas handling system.
The objective of the invention is, propose a kind of method and apparatus for operation of combustion engine, external pressure simply and is reliably determined in its assurance.In addition, the objective of the invention is to propose a kind of internal-combustion engine, it can be made under particularly advantageous cost.
This purpose solves by the feature of independent claims.Favourable embodiment of the present invention provides in the dependent claims.
According to first aspect, the invention is characterized in a kind of internal-combustion engine, it comprises gas handling system.This gas handling system comprises suction tude and is communicated with the firing chamber of cylinder of internal-combustion engine according to the dislocation of suction valve.Internal-combustion engine comprises that in addition being arranged in the gas handling system neutralization is used for the compressor that compressed air quality flows.In addition, internal-combustion engine comprises throttle valve, and it is arranged in the gas handling system in downstream of compressor and can be to the air mass flow throttling of the compressor compresses that enters suction tude by it.Internal-combustion engine comprises differential pressure transducer in addition, and it is arranged in the gas handling system and is designed to survey in the downstream of compressor and boost pressure and the differential pressure between the external pressure of the outside existence of gas handling system that exists in the upstream of throttle valve.By using differential pressure transducer particularly advantageously to make internal-combustion engine by cost, especially because of the other sensor that does not preferably need for measurement environment pressure.Survey the differential pressure of boost pressure and external pressure by means of differential pressure transducer.Under the boost pressure that can determine especially simply boost pressure under the given external pressure according to differential pressure and set, can determine especially simply external pressure thus.
In a favourable embodiment, internal-combustion engine comprises ambient pressure sensor, and it is designed to acquisition environment pressure.This has advantage, namely can carry out credibility to the external pressure of determining by means of the external pressure that records by ambient pressure sensor and process, and ambient pressure sensor is preferably designed to absolute pressure transducer.Perhaps also can carry out credibility to the external pressure that records by means of ambient pressure sensor by means of the external pressure of determining processes.This guarantees that internal-combustion engine moves especially reliably.
According to the second row third aspect, the invention is characterized in a kind of method and a kind of corresponding device for operation of combustion engine, wherein determine external pressure according to what record in the downstream of compressor with at the boost pressure of the upstream of throttle valve existence with in the differential pressure of the outside external pressure that exists of gas handling system.Can determine simple especially and reliably external pressure by means of differential pressure transducer like this.Determine that like this advantage that external pressure has in addition is, this determines also can implement during the running state that internal-combustion engine is pressurized, and wherein the running state that is pressurized of internal-combustion engine is characterised in that boost pressure is higher than external pressure.External pressure is an important parameter of operation of combustion engine, because the performance of its common combustion motor and toxic emission have impact.According to external pressure the actuator that is used for operation of combustion engine is controlled.
In another favourable embodiment, determine boost pressure and determine external pressure according to boost pressure.Owing to provide differential pressure by means of differential pressure transducer, the external pressure that therefore can determine especially simply as other parameter by means of the boost pressure that is determined.
In another favourable embodiment, determine to determine boost pressure in the downstream of throttle valve with at the suction press of the upstream of suction valve existence with according to suction press.Owing to determine boost pressure according to the suction press that is determined, therefore preferably do not need an independent boost-pressure sensor.
In another favourable embodiment, determine the aperture of throttle valve.The opening ratio of the setting of the aperture that throttle valve is determined and a characteristic throttle valve opening.The characteristic throttle valve opening is characterised in that under this aperture of throttle valve, this aperture is more than or equal to the aperture of characteristic throttle valve opening, and it is constant that the Pressure Drop on throttle valve keeps basically.After the aperture of the setting that reaches the characteristic throttle valve opening, determine the Pressure Drop on throttle valve, this Pressure Drop is attached troops to a unit mutually with an aperture of throttle valve, and this aperture is more than or equal to the characteristic throttle valve opening.When reaching the aperture of characteristic throttle valve opening, determine boost pressure according to the Pressure Drop that is determined.Boost pressure is at the downstream of compressor and the pressure that exists in the upstream of throttle valve.If for example give the downstream that fixes on throttle valve and the suction press that exists in the upstream of suction valve, so can be especially simply according to the boost pressure of determining at the Pressure Drop that is determined on the throttle valve when reaching the characteristic throttle valve opening.Usually rub and be associated under the characteristic throttle valve opening with in the pipe of compressed air mass flow by throttle valve at this Pressure Drop on the throttle valve.The characteristic throttle valve opening depends on the rotating speed of internal-combustion engine, that is to say, under the rotating speed of the setting of internal-combustion engine, the opening ratio of the current aperture of throttle valve and before the deserving characteristic throttle valve opening of rotating speed of attaching troops to a unit.Preferably storing at the Pressure Drop of the aperture of the correspondence of determining the characteristic throttle valve opening under the rotating speed of setting and after determining on the benchmark internal-combustion engine.Under the rotating speed of the setting of internal-combustion engine, in the aperture situation of the correspondence that has the characteristic throttle valve opening, provide rapidly especially corresponding Pressure Drop thus.
Following according to schematic representation detailed description embodiments of the invention.Shown in the accompanying drawing:
Fig. 1 is an internal-combustion engine,
Fig. 2 is for the various equations of determining external pressure,
Fig. 3 is flow chart.
The element that structure or function are identical represents with identical mark between each figure.
Internal-combustion engine (Fig. 1) comprises gas handling system 1, engine cylinder-body 2, cylinder head 3 and waste gas system 4.Gas handling system 1 preferably includes compressor 19, pressurized air (inlet air) cooler 31, and throttle valve 5 and suction tude 7, this admission line passes in the firing chamber 9 of engine cylinder-body 2 through intake duct towards the direction of cylinder Z1-Z4.Be arranged in parallel the first by-pass line 27 with compressor 19, it is furnished with the first bypass valve 21.Engine cylinder-body 2 comprises bent axle 8, and bent axle is coupled through the piston 11 of connecting rod 10 with the Z1-Z4 of cylinder.Internal-combustion engine is an in check internal-combustion engine of cylinder charge rate and preferably being arranged in the automobile preferably.
Cylinder head 3 comprises having at least one suction valve 12, the valve mechanism of at least one outlet valve 13 and air valve transmission device 20,24.Cylinder head 3 comprises injection valve 22 and spark plug 23 in addition.Perhaps, injection valve 22 also can be arranged in the suction tude 7.
Waste gas system 4 comprises the turbo machine 37 that is coupled with compressor 19 machineries.Compressor 19 and turbo machine 37 preferably form the turbosupercharger of internal-combustion engine together.Be arranged in parallel the second by-pass line 33 with turbo machine 37, it comprises the second bypass valve 35.
The air that sucks enters into the compressor 19 of the internal-combustion engine in the downstream that is arranged in air-flow sensors 17 by the air-flow sensors 17 in air filter 15 and the downstream by being arranged in air filter 15.The first bypass valve 21 of by-pass line 27 is that normally cut out and only in the load transition situation of the setting of internal-combustion engine, as in the load transition situation when a kind of running state that is pressurized from internal-combustion engine is converted to a kind of unsupercharged running state for example, be opened.The feature of the running state of supercharging preferably is, is higher than at the gas handling system 1 outside external pressure AMP that exists in the downstream of compressor 19 and the boost pressure PUT that exists in the upstream of throttle valve 5.By compressor 19 compressed air through being arranged in compressor 19 the downstream and reach throttle valve 5 and the suction tude 7 in the downstream through being arranged in throttle valve 5 and enter the firing chamber 9 of cylinder Z1-Z4 through suction valve 12 in the downstream after this at the upstream of throttle valve 5 and the charger-air cooler 31 that is used for this compressed air of cooling.At the fuel of supplying with setting quantity by means of injection valve 22 with after piston 11 compressions of cylinder Z1-Z4, air/fuel mixture is lighted by means of spark plug 23.By air-/waste gas that fuel mixture burning produces supplies to waste gas system 4 through outlet valve 13, waste gas for example is fed to catalytic cleaner by turbo machine 37 herein.The second bypass valve 35 can so be controlled in the case, so that a part of waste gas is directed from turbo machine 37 next doors by and controls thus the rotating speed of turbo machine 37 and the rotating speed of the compressor 19 that is coupled with turbo machine 37 machineries.
Be provided with control unit 25, it is furnished with sensor, and these sensors are surveyed different measurement parameters and determined respectively the value of these measurement parameters.Control unit 25 also can be called the device for operation of combustion engine.
Charger-air cooler 31 preferably has a differential pressure transducer 29.Differential pressure transducer 29 is designed to measure at the PUT of the downstream of compressor 19 and the boost pressure that exists in the upstream of throttle valve 5 with at the differential pressure PUT_AMP_DIF of the gas handling system 1 outside external pressure AMP that exists
MesSuction tude 7 in the arranged downstream of throttle valve 5 is furnished with intake manifold pressure sensor 34, and it is designed to survey suction press MAP.
External pressure AMP is used to simulate the performance of internal-combustion engine and makes throttle valve or other internal-combustion engine in the ambient pressure variations situation in control unit 25 other actuator, suitable corresponding to ambient pressure variations such as the control of for example injection valve 22 or spark plug 23 or bypass valve 21 and/or 35.Therefore, for example in order to control or regulate reliably the rotating speed of turbo machine 37 and compressor 19, preferably require to grasp external pressure AMP.
Describe determining external pressure AMP in detail according to Fig. 2.Equation F1 is differential pressure PUT_AMP_DIF
Mes, it is surveyed by means of differential pressure transducer 29.Differential pressure PUT_AMP_DIF
MesBy obtaining in the downstream of compressor 19 and boost pressure PUT and the difference between the external pressure AMP of gas handling system 1 outside existence that exists in the upstream of throttle valve 5.Because differential pressure transducer 29 preferably not as the absolute pressure transducer design, therefore can preferably not surveyed boost pressure PUT and external pressure AMP by means of differential pressure transducer 29 individually.
According to equation F2, by the corresponding conversion of equation F1, obtain external pressure AMP with calculating.Can obtain external pressure AMP according to boost pressure PUT according to equation F2.
Each rotating speed of internal-combustion engine is associated with a so-called characteristic throttle valve opening (opening) TPS_U.This characteristic throttle valve opening TPS_U usually and the Pressure Drop PUT_MAP_DIF of the setting of air mass flow on throttle valve 5
TPS_UBe associated.In the aperture of throttle valve 5 during more than or equal to the aperture of characteristic throttle valve opening TPS_U, the Pressure Drop PUT_MAP_DIF of this setting on throttle valve 5
TPS_UNo longer reduce and basically can think thus constant.Each rotating speed of internal-combustion engine is set respectively the Pressure Drop PUT_MAP_DIF of a setting thus
TPS_U(equation F8).Preferably under the rotating speed of setting, determine the Pressure Drop PUT_MAP_DIF that each is set by means of a benchmark internal-combustion engine
TPS_UAnd be stored in the storage of control unit 25.If under the rotating speed of a setting of internal-combustion engine, for example by means of the throttle valve adjustment sensor, survey an aperture of throttle valve 5, this aperture is more than or equal to the aperture of the characteristic throttle valve opening TPS_U that attaches troops to a unit with rotating speed, so can be according to the data in the storage that is stored in control unit 25, according to rotating speed and characteristic throttle valve opening TPS_U, provide the Pressure Drop PUT_MAP_DIF of setting
TPS_UValue.Usually the Pressure Drop PUT_MAP_DIF that sets
TPS_UUnder characteristic throttle valve opening TPS_U, rubbed in by the pipe of throttle valve 5 by air mass flow and cause.The Pressure Drop PUT_MAP_DIF that is determined on throttle valve 5
TPS_UAlso can in the running state of the supercharging of internal-combustion engine, determine.
Obtain Pressure Drop through throttle valve 5 according to equation F4 by the difference of boost pressure PUT and suction press MAP.Suction press MAP preferably can determine by means of intake manifold pressure sensor 34.Perhaps, also can be in the mode calculated according to the suction tude Inflated model, based on throttle valve opening, internal-combustion engine rotational speed and other possible measurement parameter are determined suction press MAP.
Because the Pressure Drop PUT_MAP_DIF through throttle valve 5
TPS_UOne more than or equal to the aperture of the aperture of characteristic throttle valve opening TPS_U under and be given under the rotating speed in the setting of internal-combustion engine, therefore also can in the pressure operation of internal-combustion engine, after to the corresponding conversion of equation F4, determine boost pressure PUT according to equation F6.
Thus according to given parameter, such as the Pressure Drop PUT_MAP_DIF of the setting on throttle valve 5
TPS_UThe suction press MAP that records at characteristic throttle valve opening TPS_U, by means of intake manifold pressure sensor 34 and the differential pressure PUT_AMP_DIF that records by means of differential pressure transducer 29
Mes, draw boost pressure PUT.Can determine especially simply and reliably external pressure AMP according to equation F10 thus.
Alternatively, can be by means of differential pressure transducer 29, under the external pressure of setting, for example shown in really after the fixed ring border pressure AMP, also determine especially simply and reliably boost pressure, especially when the ambient pressure sensor of adding is arranged in the downstream of compressor 19 and the upstream at throttle valve 5.Preferably can use the external pressure that records by means of this additional ambient pressure sensor, by comparing with the external pressure that records, check the confidence level of the external pressure that this is determined.In addition, can determine boost pressure and by relatively checking confidence level with the boost pressure of determining according to the external pressure that records by means of ambient pressure sensor, this boost pressure of determining is determined under by means of characteristic throttle valve opening TPS_U.
In step S1, start program.In step S2, survey the aperture of current throttle valve opening TPS_U and the current rotational speed N of internal-combustion engine.Determine the aperture of characteristic throttle valve opening TPS_U according to the internal-combustion engine rotational speed N that records.In step S4 with the opening ratio of the aperture of the throttle valve opening TPS_U that records and the characteristic throttle valve opening TPS_U that determines.If the current aperture of throttle valve opening TPS_U less than the aperture of characteristic throttle valve opening TPS_U, remeasures the current aperture TPS of current rotational speed N and throttle valve opening TPS_U so.If the current aperture of throttle valve opening TPS_U is more than or equal to the aperture of characteristic throttle valve opening TPS_U, in step S6, determine Pressure Drop PUT_MAP_DIF on throttle valve 5 according to the aperture of determining of rotational speed N and characteristic throttle valve opening TPS_U so
TPS_UPressure Drop PUT_MAP_DIF on throttle valve 5
TPS_UPreferably be stored in the control unit 25.Foundation preferably can be by the suction press MAP of intake manifold pressure sensor 34 detections and the Pressure Drop PUT_MAP_DIF that is determined on throttle valve 5 subsequently in step S8
TPS_UDetermine boost pressure PUT.According to boost pressure PUT and the differential pressure PUT_AMP_DIF that records by means of differential pressure transducer 29
Mes, in step S10, determine external pressure AMP.Termination routine in step S12.But alternatively, also can reset this program.
Claims (4)
1. internal-combustion engine comprises
-gas handling system (1), it comprises suction tude (7) and is communicated with the firing chamber (9) of the cylinder (Z1-Z4) of internal-combustion engine according to the dislocation of suction valve (12),
-compressor (19), it is arranged in the gas handling system (1) and is designed to compressed air quality stream,
-throttle valve (5), it is arranged in the compressed air quality stream that enters suction tude (7) that the downstream that is positioned at compressor (19) in the gas handling system (1) and it can the throttling compressors,
-differential pressure transducer (29), it is arranged in the gas handling system (1) and is designed to survey at the downstream of compressor (19) and boost pressure (PUT) and the differential pressure (PUT_AMP_DIF between the external pressure (AMP) of the outside existence of gas handling system (1) that exists in the upstream of throttle valve (5)
Mes),
-throttle valve adjustment sensor, it is surveyed the aperture of throttle valve (5) and is used for determining boost pressure (PUT), thus according to boost pressure (PUT) and differential pressure (PUT_AMP_DIF
Mes) determine external pressure (AMP), wherein,
-determine the aperture of throttle valve (5),
-wherein, with the opening ratio of the setting of the aperture that should determine of throttle valve (5) and a characteristic throttle valve opening (TPS_U), wherein this characteristic throttle valve opening (TPS_U) is characterised in that, under an aperture of throttle valve (5), this aperture is more than or equal to the aperture of characteristic throttle valve opening (TPS_U), through the Pressure Drop (PUT_MAP_DIF of throttle valve (5) generation
TPS_U) basically keep constant,
-after the aperture of the setting that reaches characteristic throttle valve opening (TPS_U), determine the Pressure Drop (PUT_MAP_DIF that produces through throttle valve (5)
TPS_U), this Pressure Drop is attached troops to a unit mutually with an aperture of throttle valve (5), and this aperture is more than or equal to described characteristic throttle valve opening (TPS_U),
-definite Pressure Drop (the PUT_MAP_DIF of foundation when reaching the aperture of characteristic throttle valve opening (TPS_U)
TPS_U) determine boost pressure (PUT).
2. according to internal-combustion engine claimed in claim 1, it comprises the ambient pressure sensor that is designed to acquisition environment pressure (AMP).
3. be used for operation according to the method for one of claim 1 or 2 described internal-combustion engine, wherein,
-measure at the downstream of compressor (19) and boost pressure (PUT) and the differential pressure (PUT_AMP_DIF between the external pressure (AMP) of the outside existence of gas handling system (1) that exists in the upstream of throttle valve (5)
Mes),
-determine at the downstream of throttle valve (5) and the suction press (MAP) that exists in the upstream of suction valve (12),
-determine the aperture of throttle valve (5),
-wherein, with the opening ratio of the setting of the aperture that should determine of throttle valve (5) and a characteristic throttle valve opening (TPS_U), wherein this characteristic throttle valve opening (TPS_U) is characterised in that, under an aperture of throttle valve (5), this aperture is more than or equal to the aperture of characteristic throttle valve opening (TPS_U), through the Pressure Drop (PUT_MAP_DIF of throttle valve (5) generation
TPS_U) basically keep constant,
-after the aperture of the setting that reaches characteristic throttle valve opening (TPS_U), determine the Pressure Drop (PUT_MAP_DIF that produces through throttle valve (5)
TPS_U), this Pressure Drop is attached troops to a unit mutually with an aperture of throttle valve (5), and this aperture is more than or equal to described characteristic throttle valve opening (TPS_U),
-definite Pressure Drop (the PUT_MAP_DIF of foundation when reaching the aperture of characteristic throttle valve opening (TPS_U)
TPS_U) determine boost pressure (PUT),
-according to boost pressure (PUT) and differential pressure (PUT_AMP_DIF
Mes) determine external pressure (AMP).
4. be used for operation according to the device of one of claim 1 or 2 described internal-combustion engine, it is designed to implement in accordance with the method for claim 3.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008025549.1 | 2008-05-28 | ||
| DE102008025549A DE102008025549B4 (en) | 2008-05-28 | 2008-05-28 | Method and device for operating an internal combustion engine |
| DE1020080255491 | 2008-05-28 | ||
| PCT/EP2009/056287 WO2009144194A1 (en) | 2008-05-28 | 2009-05-25 | Method and device for operating an internal combustion engine and an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102046948A CN102046948A (en) | 2011-05-04 |
| CN102046948B true CN102046948B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801193263A Active CN102046948B (en) | 2008-05-28 | 2009-05-25 | Method and device for operating internal combustion engine and internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110067678A1 (en) |
| KR (1) | KR20110030490A (en) |
| CN (1) | CN102046948B (en) |
| DE (1) | DE102008025549B4 (en) |
| WO (1) | WO2009144194A1 (en) |
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| US9133759B2 (en) * | 2012-06-27 | 2015-09-15 | Cummins Inc. | Systems, devices and methods for providing airflow to an air compressor |
| US9273619B2 (en) * | 2012-12-10 | 2016-03-01 | Fca Us Llc | Supercharged engine and method of control |
| AT515499B1 (en) * | 2014-02-20 | 2016-01-15 | Ge Jenbacher Gmbh & Co Og | Method for operating an internal combustion engine |
| US9528518B2 (en) | 2014-06-16 | 2016-12-27 | Cummins Inc. | System, apparatus and methods for diverting airflow to a pressure source |
| AT518102B1 (en) * | 2015-12-29 | 2017-10-15 | Ge Jenbacher Gmbh & Co Og | Condition determination of a filter module |
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| DE102006013501B4 (en) * | 2006-03-23 | 2009-12-31 | Continental Automotive Gmbh | Method and device for operating an internal combustion engine |
| DE102007012340B3 (en) * | 2007-03-14 | 2008-05-15 | Siemens Ag | Air-mass flow rate determining and adjusting method for e.g. petrol engine, involves transforming adaptation target value of generalized adaptation into physical parameter of suction tube by using successive adaptation value transformation |
-
2008
- 2008-05-28 DE DE102008025549A patent/DE102008025549B4/en active Active
-
2009
- 2009-05-25 CN CN2009801193263A patent/CN102046948B/en active Active
- 2009-05-25 US US12/994,080 patent/US20110067678A1/en not_active Abandoned
- 2009-05-25 KR KR1020107029289A patent/KR20110030490A/en not_active Application Discontinuation
- 2009-05-25 WO PCT/EP2009/056287 patent/WO2009144194A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1816331A2 (en) * | 2006-02-03 | 2007-08-08 | Robert Bosch Gmbh | Method and controlling device for operating an internal-combustion engine |
| WO2008009506A1 (en) * | 2006-07-19 | 2008-01-24 | Continental Automotive Gmbh | Method and device for determining the ambient pressure by means of a charge pressure sensor in a turbocharged engine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-89347A 2002.03.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008025549A1 (en) | 2009-12-03 |
| DE102008025549B4 (en) | 2010-07-01 |
| KR20110030490A (en) | 2011-03-23 |
| CN102046948A (en) | 2011-05-04 |
| US20110067678A1 (en) | 2011-03-24 |
| WO2009144194A1 (en) | 2009-12-03 |
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